Comment 1 for bug 421116

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Virtex (c-launchpad-virtex-org) wrote :

I can confirm this bug as I've seen the same behavior. After a fresh boot, when I log in my CPU is running at 100% and the culprit is sreadahead. sreadahead then exits after a minute or so. If you want, you can disable sreadahead by editing the file at /etc/init/sreadahead.conf and commenting out the line that reads:

exec /sbin/sreadahead -t 0

I did this on my Thinkpad R61 (with a spinning hard drive) and my boot time dropped from 61 seconds to 49 seconds.